628403789699 has 8 divisors (see below), whose sum is σ = 718215977568. Its totient is φ = 538601656320.

The previous prime is 628403789687. The next prime is 628403789791. The reversal of 628403789699 is 996987304826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 628403789699 - 2²⁰ = 628402741123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628403789669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379212 + ... + 2630105.

It is an arithmetic number, because the mean of its divisors is an integer number (89776997196).

Almost surely, 2^628403789699 is an apocalyptic number.

628403789699 is a deficient number, since it is larger than the sum of its proper divisors (89812187869).

628403789699 is a wasteful number, since it uses less digits than its factorization.

628403789699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027245.

The product of its (nonzero) digits is 282175488, while the sum is 71.

It can be divided in two parts, 6284037 and 89699, that added together give a palindrome (6373736).

The spelling of 628403789699 in words is "six hundred twenty-eight billion, four hundred three million, seven hundred eighty-nine thousand, six hundred ninety-nine".